In an exclusive taped interview, Hubble payload commander and astronaut John Grunsfeld discusses how astronauts who'll be servicing a telescope in space train in a giant pool at the Johnson Space Center. We'll also show an interview with space engineer Amy Ross, filmed in the space suit laboratory at Johnson.

Fresh from the launch viewing area at Kennedy Space Center, Ron Hipschman shows images and recounts what it’s like to watch at shuttle launch from three miles away. We also preview the mission and the tasks the astronauts will be doing during their five planned space walks.

Webcasts made possible through
the generosity of the Gordon and Betty Moore Foundation, The Jim Clark
Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).